20508060975

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{72937}}^1$

素因数の和:73136

約数の個数: 48

約数和(自身を含む): 35598412032

約数和(自身を除く): 15090351057

約数列:

[1, 3, 5, 15, 23, 25, 69, 75, 115, 163, 345, 489, 575, 815, 1725, 2445, 3749, 4075, 11247, 12225, 18745, 56235, 72937, 93725, 218811, 281175, 364685, 1094055, 1677551, 1823425, 5032653, 5470275, 8387755, 11888731, 25163265, 35666193, 41938775, 59443655, 125816325, 178330965, 273440813, 297218275, 820322439, 891654825, 1367204065, 4101612195, 6836020325, 20508060975]

約数ペア:

[(1, 20508060975), (3, 6836020325), (5, 4101612195), (15, 1367204065), (23, 891654825), (25, 820322439), (69, 297218275), (75, 273440813), (115, 178330965), (163, 125816325), (345, 59443655), (489, 41938775), (575, 35666193), (815, 25163265), (1725, 11888731), (2445, 8387755), (3749, 5470275), (4075, 5032653), (11247, 1823425), (12225, 1677551), (18745, 1094055), (56235, 364685), (72937, 281175), (93725, 218811)]